. >> reporter: peter joseph is the executive director of a washington trade association representingave said this is a way to buy immigration service, buying a visa is that what this is? >> not at all. capital is going to communities all around the country needed to create jobs. >> reporter: but hundreds of documents reveal a very dark side of the program. in a 2013 report being made public for the first time tonight, more than 30 of the eb-5 projects were described as under investigation for narcotics trafficking, money laundering fraud, and other national security concerns. is. >> we want jobs in america, but we want the people coming to america to be legitimate business people. >> reporter: senator charles grassley says the program designed to attract foreign investors has also become a magna magnet for people suspected of serious crimes. >> it's something that's got to be exposed. >> reporter: many of the eb-5 applicants are coming from china. one eb-5 group in china now under investigation even tried to sign up as a consultant president obama's half brother mark. >> i told them